San Gregorio Lake fishing

San Gregorio Lake fishing has Rainbow Trout and Cutthroat Trout on the stocking report. It is stocked about 1.2 times a year since 2020, most often in May and October. Species guides list dawn and dusk as the active times.

AI-generated illustration, not a photo of this lake
Last stocked
October 20, 2025
· Cutthroat Trout
Plants on record
7
Since 2020
Species recorded
2
Average size
5.5 in
Elevation
9,408.9 ft

Fish at San Gregorio Lake

2 stocked · 0 confirmed present

Cutthroat Trout Stocked · 4 plants · last October 20, 2025

Last stocked October 20, 2025 · avg 1.9 in · 4 plants

Cutthroat Trout species guide
Rainbow Trout Stocked · 3 plants · last May 28, 2020 Best: dawn, dusk

Last stocked May 28, 2020 · avg 10.3 in · 3 plants

Best: dawn, dusk

Rainbow Trout species guide

How San Gregorio Lake is stocked

Source: New Mexico Department of Game and Fish.

No plants recorded in 2023.

Fish stocked in 2020

5,868

Fish stocked in 2021

1,081

Fish stocked in 2022

9,940

Fish stocked in 2024

10,535

Fish stocked in 2025

10,000

Stocking history

Source: New Mexico Department of Game and Fish.
Date Species Quantity Avg. length Source
October 20, 2025Cutthroat Trout10,0001.8 inreport
October 21, 2024Cutthroat Trout10,5352.1 inreport
November 9, 2022Cutthroat Trout9,9402 inreport
September 16, 2021Cutthroat Trout1,0811.6 inreport
May 28, 2020Rainbow Trout1,32811.4 inreport
May 28, 2020Rainbow Trout2,2879.7 inreport
May 28, 2020Rainbow Trout2,2539.8 inreport

Access and facts

Advisories, closures, regulations and water conditions change. Check the New Mexico Department of Game and Fish before you go.

Nearest lakes

Public land at San Gregorio Lake

San Gregorio Lake is inside San Pedro Parks Wilderness and Santa Fe National Forest.

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at San Gregorio Lake?

Fishing San Gregorio Lake usually means Cutthroat Trout: Cutthroat Trout accounts for 4 of 7 plants on record, ahead of Rainbow Trout. Cutthroat Trout was last stocked October 20, 2025, averaging 1.9 in. Rainbow Trout was last stocked May 28, 2020, averaging 10.3 in.

When is San Gregorio Lake stocked?

Last stocked October 20, 2025. It is stocked about 1.2 times a year since 2020, most often in May and October. No plants recorded in 2023.

How big are the fish stocked at San Gregorio Lake?

Stocked fish average 5.5 in. Cutthroat Trout average 1.9 in. Rainbow Trout average 10.3 in.

Which lakes near San Gregorio Lake were stocked more recently?

Fenton Lake (12.8 mi), San Antonio River (18.6 mi), Jemez River East Fork (18.6 mi), Chama River (below Abiquiu) (26.4 mi), and Chama River (below El Vado) (38.9 mi) were stocked more recently. Fenton Lake is also stocked with Rainbow Trout and Cutthroat Trout, San Antonio River is also stocked with Rainbow Trout and Cutthroat Trout, Jemez River East Fork is also stocked with Cutthroat Trout, Chama River (below Abiquiu) is also stocked with Rainbow Trout and Cutthroat Trout, and Chama River (below El Vado) is also stocked with Rainbow Trout and Cutthroat Trout.